Navigational board instrument for use in sky diving



FIG. 1 is a top, front and right side perspective view of a navigational board instrument for use in sky diving showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof, the left side elevational view being a mirror image;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom, front and right side perspective view thereof, shown in an open condition exhibiting the navigational instruments. 

The ornamental design for a navigational board instrument for use in sky diving, as shown. 